Condensed Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - 6 months ended Jun. 30, 2016 - USD ($)	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2015	$ 129,000	$ 110,116,000	$ (85,128,000)	$ (500,000)	$ (4,047,000)	$ 20,570,000
Balance, shares at Dec. 31, 2015	14,211,000
Net loss			(2,195,000)			(2,195,000)
Foreign currency translation adjustment				193,000		193,000
Unrealized loss on investments				4,000		4,000
Shares issued pursuant to exercise of stock options		19,000				19,000
Shares issued pursuant to exercise of stock options, shares	5,000
Issuance of restricted stock
Issuance of restricted stock, shares	383,000
Shares withheld pursuant to exercise of stock options and restricted stock					(163,000)	(163,000)
Forfeiture of restricted shares
Forfeiture of restricted shares, shares	(13,000)
Stock based compensation - restricted stock		616,000				616,000
Stock based compensation - options and performance shares		411,000				411,000
Balance at Jun. 30, 2016	$ 129,000	$ 111,162,000	$ (87,323,000)	$ (303,000)	$ (4,210,000)	$ 19,455,000
Balance, shares at Jun. 30, 2016	14,586,000